p-Laplacian and the nonlocal term on the boundary with more general opera-tors satisfying suitable growth hypotheses. This will be object of a forthcoming paper.
Acknowledgements
The authors have been supported by the Gruppo Nazionale per l’Analisi Matematica, la Probabilit`a e le loro Applicazioni (GNAMPA) of the Istituto Nazionale di Alta Matematica (INdAM).
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Simone Creo and Maria Rosaria Lancia
Dipartimento di Scienze di Base e Applicate per l’Ingegneria Sapienza Universit`a di Roma
Via A. Scarpa 16 00161 Roma Italy
e-mail: maria.lancia@sbai.uniroma1.it
Simone Creo
e-mail: simone.creo@sbai.uniroma1.it
Received: 28 July 2020.
Accepted: 27 March 2021.